Physics Portions for SA1 Class IX CBSE

Motion, force and work
Motion : Distance and displacement, velocity; uniform and non-uniform motion along a straight line; acceleration, distance-time and velocity-time graphs for uniform motion and uniformly accelerated motion, equations of motion by
graphical method; elementary idea of uniform circular motion.
Force and Newton’s laws: Force and motion, Newton’s laws of motion, inertia of a body, inertia and mass, momentum, force and acceleration. Elementary idea of conservation of momentum, action and reaction forces.
Gravitation : Gravitation; universal law of gravitation, force of gravitation of the earth (gravity), acceleration due to gravity; mass and weight; free fall
  1. To determine the melting point of ice and the boiling point of water.
  2. To study the third law of motion using two spring balances.

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